Virtual River Lab
Find two interactive exercises designed to help you learn about river processes like discharge, flooding, and flood frequency. Each activity requires you to make careful observations and measurements, do simple calculations, and answer questions about your work.

VOLCANOES and NATURAL DISASTERS

This Dynamic Planet
An interactive map lets you explore 1,500 volcanoes, 44,000 earthquakes, 170 impact craters, and all the tectonic plates that make up the earth’s crust.

Virtual Earthquake LabDid you know that Maryland has earthquakes? There’s a seismic meter at Soldier’s Delight that monitors the state. This virtual lab illustrates how seismic waves are used to determine the magnitude of an earthquake and to locate its epicenter.